CN110468893A - A kind of floating vibrating isolation foundation for high dynamic fatigue test - Google Patents
A kind of floating vibrating isolation foundation for high dynamic fatigue test Download PDFInfo
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- CN110468893A CN110468893A CN201910848251.8A CN201910848251A CN110468893A CN 110468893 A CN110468893 A CN 110468893A CN 201910848251 A CN201910848251 A CN 201910848251A CN 110468893 A CN110468893 A CN 110468893A
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- 238000007667 floating Methods 0.000 title claims abstract description 37
- 238000002955 isolation Methods 0.000 title claims abstract description 22
- 238000009661 fatigue test Methods 0.000 title claims abstract description 16
- 238000003032 molecular docking Methods 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of floating vibrating isolation foundation for high dynamic fatigue test, including floating platform, the upper surface of the floating platform are provided with several uniformly distributed docking platforms, and the lower end of the floating platform is provided with several supporters；The supporter includes support base and the air spring that the support base upper end is arranged in, and the air spring side is provided with Level tune valve.Present invention optimizes the structures of traditional vibrating isolation foundation, drastically reduce the space occupancy rate of ground, but also vibration isolation efficiency is got higher, ensure that test can be gone on smoothly.
Description
Technical field
The present invention relates to a kind of dynamic fatigue test grounds, and in particular to a kind of floating for high dynamic fatigue test every
Shake ground.
Background technique
Currently, the dynamic fatigue test ground of most domestic, is all made of the mode of fixed test ground, and suchly
Base in order to reduce overall intrinsic frequency, the weight of cement concrete mass block according to 30 ~ 50 times of designs of dynamic force, this
A large amount of space is just occupied, and vibration isolation efficiency is not high, the vibration isolation effect of special formula low frequency large amplitude is undesirable.
Therefore, we devise a kind of floating vibrating isolation foundation for high dynamic fatigue test to solve the above problems.
Summary of the invention
To overcome the deficiencies in the prior art described above, it is an object of that present invention to provide a kind of for high dynamic fatigue test
Floating vibrating isolation foundation.
In order to achieve the above objects and other related objects, present invention provide the technical scheme that it is a kind of tired for high dynamic
The floating vibrating isolation foundation of labor test, including floating platform, the upper surface of the floating platform are provided with several uniformly distributed docking
Platform, the lower end of the floating platform are provided with several supporters；The supporter includes support base and is arranged in the branch
The air spring of seat upper end is supportted, the air spring side is provided with Level tune valve；
The docking platform includes bottom plate, be provided on the bottom plate can bilateral reciprocation first movement plate, described first
The surrounding of movable plate is provided with several first hydraulic locking apparatus, offers the first T-slot on the bottom plate, when first liquid
Press locking device in non-locking state, the lower end left-right movable type of first hydraulic locking apparatus is arranged in the first T
In type groove；Be provided with above the first movement plate can front-rear reciprocation movement the second movable plate, the four of second movable plate
It is provided with several second hydraulic locking apparatus week, offers the second T-slot on the first movement plate, when second hydraulic lock
In non-locking state, the lower end of second hydraulic locking apparatus is moved forward and backward formula and is arranged in first T-slot tight device
It is interior；The first platform that can be moved up and down vertically is provided with above second movable plate.
Preferred technical solution are as follows: the Level tune valve includes valve body, and the first cavity is arranged in the middle part of the valve body, described
It is provided with main valve plug in first cavity, the valve body lower end is provided with valve deck, is arranged the second cavity in the middle part of the valve deck, and described the
Be provided with control valve core in two cavitys, first cavity is connected to setting with second cavity, inside the control valve core with
First cavity, the second cavity are connected to setting, and the valve deck is protruded in the lower end of the control valve core under static state
The upper end of lower end setting, the control valve core is arranged in first cavity；One end of the valve body is provided with the first connection
Mouthful, the other end of the valve body is provided with the second connector, and first connector and second connector are with described the
The connection setting of one cavity；One end of the valve deck is provided with third connector, and the third connector and second cavity connect
Logical setting.
Preferred technical solution are as follows: when valve body rises, opposite position occurs for the main valve plug, control valve core and the valve body
It moves, the main valve plug resists first connector, and second connector is connected to setting with the third connector；Work as valve body
When decline, relative displacement occurs for the main valve plug, control valve core and the valve body, and the control valve core resists second connection
Mouthful, first connector is connected to setting with the third connector.
Preferred technical solution are as follows: baffle, the upper end of the control valve core are provided between the valve body and the valve deck
It is arranged through the baffle, the first spring is provided between the control valve core and the baffle.
Preferred technical solution are as follows: the first screw rod is provided on the bottom plate, the first movement plate is threaded through described
On one screw rod, one end of first screw rod is connect with first servo motor；It is provided with the second screw rod on the first movement plate,
Second movable plate is threaded through on second screw rod, and one end of second screw rod is connect with the second servo motor.
Preferred technical solution are as follows: the vertical section shape of the floating platform is T font, and the supporter is uniformly distributed at two rows
It is separately positioned on the two sides of the floating platform.
Preferred technical solution are as follows: horizontal groove is offered in the middle part of the upper surface of the floating platform, the groove
Two sides are all provided with there are two the docking platform.
Since above-mentioned technical proposal is used, the present invention has the advantage, that compared with prior art
Present invention optimizes the structures of traditional vibrating isolation foundation, drastically reduce the space occupancy rate of ground, but also vibration isolation is imitated
Rate is got higher, and ensure that test can be gone on smoothly.
Detailed description of the invention
Fig. 1 is front view of the present invention.
Fig. 2 is top view of the present invention.
Fig. 3 is side view of the present invention.
Fig. 4 is Level tune valve schematic diagram.
Fig. 5 is docking platform main view.
Fig. 6 is docking platform top view.
In the figures above, floating platform 1, supporter 2, support base 201, air spring 202, docking platform 3, bottom plate 301,
First movement plate 302, the first hydraulic locking apparatus 303, the first T-slot 304, the second movable plate 305, the second hydraulic locking apparatus
306, the second T-slot 307, the first platform 308, the first screw rod 309, first servo motor 310, the second screw rod 311, the second servo
Motor 312, valve body 401, main valve plug 402, valve deck 403, control valve core 404, the first connector 405, the second connector 406, the
Three connectors 407, baffle 408, the first spring 409.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Please refer to Fig. 1 ~ Fig. 6.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to
Cooperate the revealed content of specification, so that those skilled in the art understands and reads, being not intended to limit the invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, it should all still fall in disclosed skill
Art content obtains in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and
The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness
It is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
Embodiment: as shown in Fig. 1 ~ Fig. 3, a kind of floating vibrating isolation foundation for high dynamic fatigue test, including float flat
Platform 1, the upper surface of floating platform 1 are provided with several uniformly distributed docking platforms 3, and the lower end of floating platform 1 is provided with several
Supporter 2；Supporter 2 includes support base 201 and the air spring 202 that 201 upper end of support base is arranged in, air spring 202 1
Side is provided with Level tune valve；The vertical section shape of floating platform 1 is T font, and supporter 2 is uniformly distributed to be separately positioned at two rows
The two sides of floating platform 1, offer horizontal groove in the middle part of the upper surface of floating platform 1, and the two sides of groove are all provided with that there are two right
Connect platform 3.
As shown in Fig. 5 ~ Fig. 6, docking platform 3 includes bottom plate 301, be provided on bottom plate 301 can bilateral reciprocation the
One movable plate 302, the surrounding of first movement plate 302 are provided with several first hydraulic locking apparatus 303, offer on bottom plate 301
First T-slot 304, when the first hydraulic locking apparatus 303 is in non-locking state, the lower end of the first hydraulic locking apparatus 303 is left
It is right mobile to be arranged in the first T-slot 304；Be provided with above first movement plate 302 can front-rear reciprocation movement it is second mobile
Plate 305, the surrounding of the second movable plate 305 are provided with several second hydraulic locking apparatus 306, offer on first movement plate 302
Second T-slot 307, when the second hydraulic locking apparatus 306 is in non-locking state, before the lower end of the second hydraulic locking apparatus 306
It is mobile afterwards to be arranged in the first T-slot 304；The first platform that can be moved up and down vertically is provided with above second movable plate 305
308.The first screw rod 309 is provided on bottom plate 301, first movement plate 302 is threaded through on the first screw rod 309, the first screw rod 309
One end is connect with first servo motor 310；The second screw rod 311 is provided on first movement plate 302, the second movable plate 305 is worn
On the second screw rod 311, one end of the second screw rod 311 is connect with the second servo motor 312.
The locking head of 306 lower end of first hydraulic locking apparatus 303 and the second hydraulic locking apparatus is inverted T junction
Structure is locked in T-slot when locking head moves up, and can be moved in T-slot when locking head moves down, can be real by existing hydraulic cylinder
The elevating function of existing locking head.Moving left and right for first movement plate 302 is controlled by first servo motor 310, when position is adjusted
It completes, then first movement plate 302 is locked on bottom plate 301 by the first hydraulic locking apparatus 303；Pass through the second servo motor
The back-and-forth motion of 312 the second movable plates 305 of control, is completed when position is adjusted, then passes through the second hydraulic locking apparatus 306 for second
Movable plate 305 is locked on first movement plate 302；Elevating movement of first platform 308 on the second movable plate 305 then passes through existing
Some lifting devices (such as screw rod, cylinder) are realized；The mechanism part docked will be needed to be individually placed to two the first platforms 308
On, docking can be realized by being adjusted by position.Docking platform 3 can realize the linear movement in tri- directions X, Y, Z, by hydraulic lock
Tight device is locked, it is ensured that the coupling mechanism force of each locking device ensure that extremely reliable assembly precision, and docking misses
Difference is small, high-efficient.
As shown in figure 3, Level tune valve includes valve body 401, the first cavity is set in the middle part of valve body 401, is set in the first cavity
It is equipped with main valve plug 402,401 lower end of valve body is provided with valve deck 403, and the second cavity, setting in the second cavity are arranged in the middle part of valve deck 403
There is control valve core 404, the first cavity is connected to setting with the second cavity, and 404 inside of control valve core is equal with the first cavity, the second cavity
The lower end setting of valve deck 403, the upper end of control valve core 404 are protruded in connection setting, the lower end of control valve core 404 under static state
Setting is in the first cavity；One end of valve body 401 is provided with the first connector 405, and the other end of valve body 401 is provided with the second company
Interface 406, the first connector 405 are connected to setting with the first cavity with the second connector 406；One end of valve deck 403 is provided with
Third connector 407, third connector 407 are connected to setting with the second cavity.When valve body 401 rises, main valve plug 402, control
Relative displacement occurs for spool 404 and valve body 401, and main valve plug 402 resists the first connector 405, and the second connector 406 connects with third
The connection setting of interface 407；When valve body 401 declines, relative displacement, control occur for main valve plug 402, control valve core 404 and valve body 401
Spool 404 processed resists the second connector 406, and the first connector 405 is connected to setting with third connector 407.Valve body 401 and valve deck
Be provided with baffle 408 between 403, the upper end of control valve core 404 is arranged through baffle 408, control valve core 404 and baffle 408 it
Between be provided with the first spring 409.
Regulating valve is installed on the side of air spring 202, and the lower end of control valve core 404 is exposed under regulating valve when installation
It holds a section and it is made to contact ground；First connector 405 connection air pump, the connection air spring 202 of third connector 407, second
Connector 406 is for being vented；Several air springs 202 are arranged in the lower section of support platform, when air spring 202 is inflated
When, valve body 401 moves up, and cause valve body 401 and spool (spool includes main valve plug 402 and control valve core 404) to generate relative displacement,
After valve body 401 rises to a certain extent, main valve plug 402 will block the first connector 405(air inlet), guarantee air spring
202 will not continue to inflate, and maintain the height set；Third connector 407(inflating port at this time) and the second connector 406
(exhaust outlet) connection, air spring 202 is vented by the pressure of institute's support platform by the second connector 406, in exhaust process,
Valve body 401 declines, and valve body 401 and spool generate relative displacement (being equivalent to spool rising), and valve body 401 declines to a certain extent
Afterwards, the second connector 406(exhaust outlet) blocked by control valve core 404, the first connector 405(air inlet) expose and pass through third
Connector 407(inflating port) air spring 202 is inflated, so circulation repeatedly inflation, deflate, keep certain dynamic flat
Weighing apparatus, so that all air springs 202 are maintained at the same horizontal position.So that the air spring 202 of entire floating platform 1 highly begins
It is maintained at the same horizontal position eventually, and high-precision is adjusted, and ensure that the stability of dynamic floating platform 1.
In implementation process, using intrinsic frequency is the large-scale air spring of 1HZ or so as support, and ground is floated
Come, is effectively isolated, it, can be the ratio of cement concrete mass block and dynamic force due to the excellent vibration isolation efficiency of air spring
Example drops to 1:10.
Present invention optimizes the structures of traditional vibrating isolation foundation, drastically reduce the space occupancy rate of ground, but also every
Vibration efficiency is got higher, and ensure that test can be gone on smoothly.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (7)
1. a kind of floating vibrating isolation foundation for high dynamic fatigue test, including floating platform, it is characterised in that: described float is put down
The upper surface of platform is provided with several uniformly distributed docking platforms, and the lower end of the floating platform is provided with several supporters；Institute
Stating supporter includes support base and the air spring that the support base upper end is arranged in, and the air spring side is provided with water
Flat regulating valve；
The docking platform includes bottom plate, be provided on the bottom plate can bilateral reciprocation first movement plate, described first
The surrounding of movable plate is provided with several first hydraulic locking apparatus, offers the first T-slot on the bottom plate, when first liquid
Press locking device in non-locking state, the lower end left-right movable type of first hydraulic locking apparatus is arranged in the first T
In type groove；Be provided with above the first movement plate can front-rear reciprocation movement the second movable plate, the four of second movable plate
It is provided with several second hydraulic locking apparatus week, offers the second T-slot on the first movement plate, when second hydraulic lock
In non-locking state, the lower end of second hydraulic locking apparatus is moved forward and backward formula and is arranged in first T-slot tight device
It is interior；The first platform that can be moved up and down vertically is provided with above second movable plate.
2. a kind of floating vibrating isolation foundation for high dynamic fatigue test according to claim 1, it is characterised in that: described
Level tune valve includes valve body, and the first cavity is arranged in the middle part of the valve body, is provided with main valve plug, the valve in first cavity
Body lower end is provided with valve deck, and the second cavity is arranged in the middle part of the valve deck, is provided with control valve core in second cavity, and described the
One cavity is connected to setting with second cavity, is connected to and sets with first cavity, the second cavity inside the control valve core
It sets, the lower end setting of the valve deck is protruded in the lower end of the control valve core under static state, and the upper end of the control valve core is set
It sets in first cavity；One end of the valve body is provided with the first connector, and the other end of the valve body is provided with second
Connector, first connector are connected to setting with first cavity with second connector；One end of the valve deck
It is provided with third connector, the third connector is connected to setting with second cavity.
3. a kind of floating vibrating isolation foundation for high dynamic fatigue test according to claim 2, it is characterised in that: work as valve
When body rises, relative displacement occurs for the main valve plug, control valve core and the valve body, and the main valve plug resists first connection
Mouthful, second connector is connected to setting with the third connector；When valve body decline when, the main valve plug, control valve core with
Relative displacement occurs for the valve body, and the control valve core resists second connector, first connector and the third
Connector connection setting.
4. a kind of floating vibrating isolation foundation for high dynamic fatigue test according to claim 3, it is characterised in that: described
Baffle is provided between valve body and the valve deck, the upper end of the control valve core is arranged through the baffle, the control valve core
The first spring is provided between the baffle.
5. a kind of floating vibrating isolation foundation for high dynamic fatigue test according to claim 4, it is characterised in that: described
The first screw rod is provided on bottom plate, the first movement plate is threaded through on first screw rod, one end of first screw rod with
First servo motor connection；The second screw rod is provided on the first movement plate, second movable plate is threaded through described second
On screw rod, one end of second screw rod is connect with the second servo motor.
6. a kind of floating vibrating isolation foundation for high dynamic fatigue test according to claim 5, it is characterised in that: described
The vertical section shape of floating platform is T font, the uniformly distributed two sides that the floating platform is separately positioned at two rows of the supporter.
7. a kind of floating vibrating isolation foundation for high dynamic fatigue test according to claim 6, it is characterised in that: described
Offer horizontal groove in the middle part of the upper surface of floating platform, the two sides of the groove are all provided with that there are two the docking platforms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910848251.8A CN110468893B (en) | 2019-09-09 | 2019-09-09 | Floating vibration isolation foundation for high dynamic fatigue test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910848251.8A CN110468893B (en) | 2019-09-09 | 2019-09-09 | Floating vibration isolation foundation for high dynamic fatigue test |
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| Publication Number | Publication Date |
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| CN110468893A true CN110468893A (en) | 2019-11-19 |
| CN110468893B CN110468893B (en) | 2024-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910848251.8A Active CN110468893B (en) | 2019-09-09 | 2019-09-09 | Floating vibration isolation foundation for high dynamic fatigue test |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763820A (en) * | 2015-03-13 | 2015-07-08 | 北京华卓精科科技有限公司 | Two-position three-way valve and vibration isolation system with same |
| JP2017096713A (en) * | 2015-11-20 | 2017-06-01 | 株式会社島津製作所 | Fatigue tester |
| CN207681945U (en) * | 2017-12-27 | 2018-08-03 | 广州奥拓夫节能科技有限公司 | Three axis workbenches |
| KR20180096312A (en) * | 2017-02-21 | 2018-08-29 | 양승호 | Earthquake experience apparatus |
| CN208239094U (en) * | 2018-06-06 | 2018-12-14 | 上海汇众汽车制造有限公司 | Flexible support system for body mode test |
| CN210975910U (en) * | 2019-09-09 | 2020-07-10 | 热测测试技术(苏州)有限公司 | Floating vibration isolation foundation for high dynamic fatigue test |
-
2019
- 2019-09-09 CN CN201910848251.8A patent/CN110468893B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763820A (en) * | 2015-03-13 | 2015-07-08 | 北京华卓精科科技有限公司 | Two-position three-way valve and vibration isolation system with same |
| JP2017096713A (en) * | 2015-11-20 | 2017-06-01 | 株式会社島津製作所 | Fatigue tester |
| KR20180096312A (en) * | 2017-02-21 | 2018-08-29 | 양승호 | Earthquake experience apparatus |
| CN207681945U (en) * | 2017-12-27 | 2018-08-03 | 广州奥拓夫节能科技有限公司 | Three axis workbenches |
| CN208239094U (en) * | 2018-06-06 | 2018-12-14 | 上海汇众汽车制造有限公司 | Flexible support system for body mode test |
| CN210975910U (en) * | 2019-09-09 | 2020-07-10 | 热测测试技术(苏州)有限公司 | Floating vibration isolation foundation for high dynamic fatigue test |
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| CN110468893B (en) | 2024-07-12 |
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